Trait nom::lib::std::fmt::Display

[+] Show declaration

pub trait Display {
    fn fmt(&self, f: &mut Formatter) -> Result<(), Error>;
}

[−] Expand description

Format trait for an empty format, {}.

Display is similar to Debug, but Display is for user-facing output, and so cannot be derived.

For more information on formatters, see the module-level documentation.

Examples

Implementing Display on a type:

use std::fmt;

struct Point {
    x: i32,
    y: i32,
}

impl fmt::Display for Point {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "({}, {})", self.x, self.y)
    }
}

let origin = Point { x: 0, y: 0 };

println!("The origin is: {}", origin);

Required Methods

fn fmt(&self, f: &mut Formatter) -> Result<(), Error>[−]

Formats the value using the given formatter.

Examples

use std::fmt;

struct Position {
    longitude: f32,
    latitude: f32,
}

impl fmt::Display for Position {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "({}, {})", self.longitude, self.latitude)
    }
}

assert_eq!("(1.987, 2.983)".to_owned(),
           format!("{}", Position { longitude: 1.987, latitude: 2.983, }));

Implementations on Foreign Types

impl Display for VarError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for TryRecvError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for RecvTimeoutError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for SocketAddr

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for AddrParseError

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fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error>

impl Display for Error

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fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error>

impl Display for Ipv4Addr

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fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error>

impl Display for IpAddr

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fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error>

impl Display for Ipv6Addr

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fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error>

impl Display for SocketAddrV6

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for IntoStringError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<'a, T> Display for MutexGuard<'a, T> where     T: Display + ?Sized,

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<T> Display for TryLockError<T>

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for AccessError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for NulError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<W> Display for IntoInnerError<W>

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<T> Display for TrySendError<T>

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for SocketAddrV4

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<'a, T> Display for RwLockWriteGuard<'a, T> where     T: Display + ?Sized,

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<'a> Display for Display<'a>

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<T> Display for PoisonError<T>

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for ExitStatus

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<T> Display for SendError<T>

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for JoinPathsError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for FromBytesWithNulError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<'a, T> Display for RwLockReadGuard<'a, T> where     T: Display + ?Sized,

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for RecvError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for SystemTimeError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for StripPrefixError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for u64

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for u16

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for AllocErr

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for NonZeroU32

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for i64

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<'a, T> Display for Ref<'a, T> where     T: Display + ?Sized,

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for NonZeroU8

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for isize

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for ParseIntError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for !

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fn fmt(&self, &mut Formatter) -> Result<(), Error>

impl Display for NonZeroU16

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<T> Display for Wrapping<T> where     T: Display,

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for i8

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for Utf8Lossy

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for char

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for str

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for usize

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for BorrowError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for u32

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for i16

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<'a, T> Display for &'a mut T where     T: Display + ?Sized,

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for LayoutErr

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for NonZeroU128

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for CharTryFromError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for ParseCharError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for CannotReallocInPlace

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for i32

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for TryFromSliceError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for ToLowercase

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for DecodeUtf16Error

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for bool

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for EscapeDebug

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for EscapeDefault

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for TryFromIntError

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fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error>

impl Display for f64

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fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error>

impl Display for i128

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for EscapeUnicode

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for u8

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for NonZeroU64

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for NonZeroUsize

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<'a> Display for Location<'a>

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fn fmt(&self, formatter: &mut Formatter) -> Result<(), Error>

impl<'a, T> Display for RefMut<'a, T> where     T: Display + ?Sized,

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for BorrowMutError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for f32

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fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error>

impl<'a, T> Display for &'a T where     T: Display + ?Sized,

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<'a> Display for PanicInfo<'a>

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fn fmt(&self, formatter: &mut Formatter) -> Result<(), Error>

impl<'a, T> Display for PinMut<'a, T> where     T: Display + ?Sized,

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for ParseFloatError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for ToUppercase

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for u128

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<T> Display for PinBox<T> where     T: Display + ?Sized,

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<'a, B> Display for Cow<'a, B> where     B: Display + ToOwned + ?Sized,     <B as ToOwned>::Owned: Display,

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<T> Display for Arc<T> where     T: Display + ?Sized,

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<T> Display for Rc<T> where     T: Display + ?Sized,

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

Implementors

impl Display for ParseError

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fn fmt(&self, &mut Formatter) -> Result<(), Error>

impl Display for nom::lib::std::fmt::Error

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for String

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for ParseBoolError

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for Utf8Error

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for FromUtf16Error

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for FromUtf8Error

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl<'a> Display for Arguments<'a>

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fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error>

impl<'a> Display for CompleteStr<'a>

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fn fmt(&self, f: &mut Formatter) -> Result

impl<I, E> Display for Err<I, E> where     I: Debug,     E: Debug,

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fn fmt(&self, f: &mut Formatter) -> Result

impl<T> Display for Box<T> where     T: Display + ?Sized,

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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

impl Display for TimerError

impl Display for Error

impl Display for Error

impl Display for Regex

impl Display for Regex

impl Display for Error

impl Display for ErrorKind

impl Display for Ast

impl Display for Error

impl Display for Error

impl Display for ErrorKind

impl Display for Hir

impl Display for Error

impl<'a> Display for TmFmt<'a>

impl Display for Duration

impl Display for OutOfRangeError

impl Display for SteadyTime

impl Display for ParseError